When a young agent in training gets lost in headquarters, Olive and Otto must find him before Ms. O finds out. The only problem is, they have set up new security locks on every door. To open, they must add any amount of numbers so long as they add up to eleven, but each door has a different set of numbers. Is there more than one way to add up to eleven?

The Odd Squad show aims at problem solving and thinking and includes building procedural fluency as well as building conceptual understanding. The show uses creativity and imagination to foster inquiry and math-talk.